Ruling · Govatsa Dvādaśī (Vasu Baras) · 1972

Thursday 2 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 400 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two evenings

One ghaṭī is 24 minutes. Pradoṣa is 2 muhūrtas after sunset.

Evening of Wednesday 1 November

Dvādaśī is absent from pradoṣa. Not taken.

17:18 sunsetpradoṣa ends 19:06
16:5417:1817:4218:0618:3018:5419:18

0 of 108 minutes covered

Evening of Thursday 2 November

Taken. The only evening Dvādaśī reaches.

17:17 sunsetpradoṣa ends 19:05
16:5317:1717:4118:0518:2918:5319:17

108 of 108 minutes covered

Dvādaśī presentPradoṣa, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 01:46 on Thu 2 Nov to 03:11 on Fri 3 Nov.

    1972-11-01T17:45:36Z → 1972-11-02T19:10:52Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:18–19:06 on the 1st, 17:17–19:05 on the 2nd.

    pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Dvādaśī must be present during pradoṣa. It covers 0 of 108 minutes on the 1st and 108 of 108 on the 2nd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Only one evening qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 24000 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 1972: Thursday 2 November.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 1972 falls on Thursday 2 November. Dvādaśī runs from 01:46 on Thu 2 Nov to 03:11 on Fri 3 Nov and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1972/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 2 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 2 Nov
compat-drikpanchangComparison profileThu 2 Nov
No institution has a recorded ruling for Baoding.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/govatsa-dvadashi · ruleset 2026.3-draft

Month
Āśvina, amānta
Pakṣa · aṅga
Kṛṣṇa · Dvādaśī
Kāla
Pradoṣa
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 104

“K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceDvādaśīSunset 1stCoveredSunset 2ndCoveredRuled
Los Angeles09:46 → 11:1117:00106 min16:590 min1 Nov
Chicago11:46 → 13:1116:44109 min16:430 min1 Nov
Jersey City12:46 → 14:1116:52109 min16:510 min1 Nov
Port of Spain13:46 → 15:1117:4298 min17:410 min1 Nov
London17:46 → 19:1116:3343 min16:31116 min1 Nov
Durban19:46 → 21:1118:180 min18:1886 min2 Nov
Dubai21:46 → 23:1117:380 min17:37103 min2 Nov
Delhi23:16 → 00:4117:360 min17:35104 min2 Nov
Kolkata23:16 → 00:4116:590 min16:58102 min2 Nov
Singapore01:16 → 02:4118:200 min18:2096 min2 Nov
Sydney04:46 → 06:1119:230 min19:2484 min2 Nov
Suva05:46 → 07:1118:130 min18:1390 min2 Nov
Profile · tradition
pac-rp@2026.1 · smarta
Rule
govatsa-dvadashi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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